15936790061 has 2 divisors, whose sum is σ = 15936790062. Its totient is φ = 15936790060.

The previous prime is 15936790049. The next prime is 15936790099. The reversal of 15936790061 is 16009763951.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13503834436 + 2432955625 = 116206^2 + 49325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15936790061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15936789988 and 15936790015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15936790561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7968395030 + 7968395031.

It is an arithmetic number, because the mean of its divisors is an integer number (7968395031).

Almost surely, 2^15936790061 is an apocalyptic number.

It is an amenable number.

15936790061 is a deficient number, since it is larger than the sum of its proper divisors (1).

15936790061 is an equidigital number, since it uses as much as digits as its factorization.

15936790061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 47.

The spelling of 15936790061 in words is "fifteen billion, nine hundred thirty-six million, seven hundred ninety thousand, sixty-one".